SRNTH 3.0 India’s Biggest NDA & CDS Mock Test Answer Key (All Sets)

If you appeared for the SRNTH 3.0 NDA & CDS Mock Test, the next thing you are probably looking for is the answer key. Once the mock test is over, checking the answer key is the easiest way to understand how you performed and where you need to improve.

The SRNTH 3.0 mock test was conducted to give NDA and CDS aspirants an exam-like experience. It allows students to practise under test conditions, check their preparation level, and understand how they perform when answering a large number of questions within a fixed time.

SRNTH 3.0 Answer Key 2026

The SRNTH 3.0 Answer Key contains the correct answers to the questions asked in the mock test. Since the questions may be arranged differently across different sets, students should always check the answer key for the same set they attempted.

The answer key is useful for more than just checking how many answers you got right. It can help you:

Calculate your estimated score.
Check your correct and incorrect responses.
Identify topics where you made mistakes.
Understand your strong and weak subjects.
Improve your accuracy.
Plan your preparation for the upcoming NDA or CDS examination.

Instead of checking the answers quickly and moving on, spend some time analysing your mistakes. This is where the real benefit of a mock test comes in.

SRNTH 3.0 NDA Mock Test Answer Key – All Sets

NDA aspirants can use the table below to access the answer key according to their question set.

Paper	Set A	Set B	Set C	Set D
Mathematics	[Answer Key PDF Link]	[Answer Key PDF Link]	[Answer Key PDF Link]	[Answer Key PDF Link]
GAT	[Answer Key PDF Link]	[Answer Key PDF Link]	[Answer Key PDF Link]	[Answer Key PDF Link]

The NDA Maths section included 120 questions for 300 marks:

Marking Scheme:

+2.5 marks for correct answers
-0.83 marks for incorrect answers

The GAT section had 150 questions for 600 marks:

Marking Scheme:

+4 marks for correct answers
-1.33 marks for incorrect answers

Note: Make sure you select the same set that you attempted during the SRNTH 3.0 NDA mock test.

SRNTH 3.0 CDS Mock Test Answer Key – All Sets

CDS aspirants can check their responses using the answer key for their respective set.

Paper	Set A	Set B	Set C	Set D
English	[Answer Key PDF Link]	[Answer Key PDF Link]	[Answer Key PDF Link]	[Answer Key PDF Link]
General Studies	[Answer Key PDF Link]	[Answer Key PDF Link]	[Answer Key PDF Link]	[Answer Key PDF Link]
Mathematics	[Answer Key PDF Link]	[Answer Key PDF Link]	[Answer Key PDF Link]	[Answer Key PDF Link]

Marking Scheme (CDS – All Papers):

+1 mark for each correct answer
-0.33 marks for each incorrect answer

Note: Always match your responses with the correct CDS set. Checking another set can lead to an incorrect score calculation.

How to Check Your SRNTH 3.0 Answers?

Checking your answers is quite simple. Keep your marked responses and the correct answer key ready, and compare them one by one.

You can follow these steps:

Step 1: Identify the set you attempted.
Step 2: Open the corresponding SRNTH 3.0 answer key.
Step 3: Compare each answer with your marked response.
Step 4: Count the number of correct and incorrect answers.
Step 5: Apply the relevant marking scheme to calculate your estimated score.
Step 6: Note down the questions you got wrong and analyse why you made those mistakes.

Don’t worry if you find several incorrect answers. The purpose of a mock test is to help you find these mistakes before the actual examination.

How to Calculate Your SRNTH 3.0 Score?

After checking your responses, you can calculate your estimated score using the marking scheme applicable to the respective paper.

The basic formula is:

Estimated Score = Marks Obtained for Correct Answers − Negative Marks for Incorrect Answers

For example, if you attempted 60 questions and got 48 correct and 12 incorrect, you need to calculate the marks for the 48 correct answers and then subtract the applicable negative marks for the 12 incorrect answers.

Unattempted questions generally do not attract negative marks.

However, students should always check the official SRNTH 3.0 instructions for the exact marking scheme before calculating their final score.

Why Is the SRNTH 3.0 Answer Key Important?

A mock test score can tell you how many marks you obtained, but the answer key tells you where those marks were gained or lost.

Suppose you score well in English but make several mistakes in General Knowledge. Your next step should be to revise GK rather than simply attempt another mock test.

Similarly, if you knew the answer but selected the wrong option because you were rushing, the problem is not your knowledge. It is your accuracy or concentration.

This is why students should look at every incorrect question and try to understand the reason behind the mistake.

What Should You Analyse After Checking the Answer Key?

Once you have calculated your score, don’t stop there. Spend some time analysing your paper.

1. Conceptual Mistakes

These are questions where you did not understand or remember the concept properly.

Go back to your notes, revise the topic, and solve a few more questions based on it.

2. Silly Mistakes

These include calculation errors, misreading a question, marking the wrong option, or making a simple factual error.

If you are making many such mistakes, slow down slightly and read the questions more carefully.

3. Guessing Mistakes

Sometimes students attempt questions even when they have very little idea about the answer.

Check how many marks you lost because of unnecessary guesses. This can help you make a better attempt strategy for future tests.

4. Time-Management Mistakes

Look at the questions you could not attempt because you ran out of time.

If you spend too much time on a few difficult questions, work on deciding when to move on to the next question.

NDA Aspirants: How to Analyse Your Performance?

NDA aspirants should analyse their performance subject-wise.

For Mathematics, check which chapters caused the most mistakes. It could be algebra, trigonometry, calculus, geometry, statistics, or another topic.

For GAT, analyse sections such as English, Physics, Chemistry, General Science, History, Geography and Current Affairs.

You don’t need to improve everything at once. Start with the areas where you are losing the most marks.

CDS Aspirants: How to Analyse Your Performance?

CDS aspirants should similarly analyse their performance according to the paper they attempted.

For English, check your mistakes in grammar, vocabulary, comprehension, and other question types.

For General Knowledge, identify whether your mistakes are mainly from History, Geography, Polity, Science, Current Affairs, or other areas.

If you attempted Elementary Mathematics, check the chapters where your accuracy was low and revise those concepts before the next mock test.

What If Your SRNTH 3.0 Score Is Low?

A low score in a mock test is not a reason to panic.

Remember, the test is meant to show you where you currently stand. If you find your weak areas now, you still have an opportunity to work on them.

Instead of asking, “Why is my score so low?”, ask:

Which subjects cost me the most marks?
Which topics do I need to revise?
Did I make too many silly mistakes?
Did I attempt questions without being sure?
Did I manage my time properly?

Once you have answers to these questions, your next preparation steps become much clearer.

What Should You Do After Checking the SRNTH 3.0 Answer Key?

A good mock-test routine should look something like this:

Attempt the test → Check the answer key → Calculate your score → Analyse mistakes → Revise weak topics → Practise more questions → Take the next mock test

Don’t simply keep taking one mock test after another without analysing the previous one. Ten tests without analysis may be less useful than five tests that you properly review.

Keep a small record of your scores and mistakes. Over time, you should be able to see whether your accuracy, speed and overall performance are improving.

SRNTH 3.0: More Than Just a Mock Test

The main purpose of SRNTH 3.0 is to allow aspirants to experience an exam-like environment and assess their preparation.

For NDA and CDS aspirants, regular mock tests can help with:

Time management
Question selection
Accuracy
Exam temperament
Speed
Understanding weak areas
Building confidence

But remember that a mock test is only a part of preparation. Your regular revision, practice, study routine, and understanding of concepts remain equally important.

Final Words

The SRNTH 3.0 Answer Key gives NDA and CDS aspirants a chance to look back at their performance and understand what went right and what needs improvement.

Don’t judge your preparation only by your final score. Look at your mistakes, find their reasons, and work on the topics where you are struggling.

Whether your score is high or low, the most important thing is what you do after checking the answer key.

Use the SRNTH 3.0 answer key, analyse your performance honestly, revise your weak areas, and keep practising. With every mock test, your aim should be to become a little more accurate, a little faster, and better prepared for the actual NDA or CDS examination.